Home / 31,659.93-47,499.39-9,474.03

Finding the Fourth Proportional to 31,659.93, 47,499.39 and 9,474.03

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Solution

The fourth proportional to 31,659.93, 47,499.39 and 9,474.03 is: 14,213.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,659.93 : 47,499.39 = 9,474.03 : x
  2. Step 2: Convert to fraction form
    31,659.93/47,499.39 = 9,474.03/x
  3. Step 3: Cross multiply
    31,659.93x = 47,499.39 × 9,474.03
  4. Step 4: Simplify right side
    31,659.93x = 450,010,645.84
  5. Step 5: Solve for x
    x = 450,010,645.84/31,659.93
  6. Step 6: Final answer
    x = 14,213.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.